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10 June, 01:28

A sample of n = 9 scores has a variance of s2 = 36. what is the estimated standard error for the sample mean? 1 2 4 16

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  1. 10 June, 01:53
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    Given:

    σ² = 36, the variance

    n = 9, the sample size.

    The standard deviation is

    σ = 6

    By definition, the standard error is

    σ/√n = 6/3 = 2

    Answer: 2
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